| Acronym | Definition |
|---|
| THI➣Texas Heart Institute (Houston, TX) |
| THI➣Tissue Harmonic Imaging (signal processing technique) |
| THI➣Tim Hortons, Inc. (various locations) |
| THI➣Townscape Heritage Initiative (UK grant program) |
| THI➣The Hood Internet (music production group) |
| THI➣The Heartland Institute (est. 1984; think tank) |
| THI➣Temperature Humidity Index |
| THI➣Teledyne Hastings Instruments (Hampton, VA) |
| THI➣Traumatic Head Injury |
| THI➣The Humane Interface (Jef Raskin book) |
| THI➣The Hispanic Institute (Washington, DC) |
| THI➣Torrey Honors Institute (Biola University) |
| THI➣Taeknihaskoli Islands (Technical University of Iceland; Reykjavik, Iceland) |
| THI➣Traffic Homicide Investigator (Law Enforcement) |
| THI➣Target Hazard Index |